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<h2><span class="refentrytitle"><a name="GimpChannel.top_of_page"></a>gimpchannel</span></h2>
<p>gimpchannel — Functions for manipulating channels.</p>
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<div class="refsect1">
<a name="GimpChannel.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_proto_type">
<col class="functions_proto_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a class="link" href="GimpChannel.html" title="gimpchannel"><span class="returnvalue">GimpChannel</span></a> *
</td>
<td class="function_name">
<a class="link" href="GimpChannel.html#gimp-channel-get-by-id" title="gimp_channel_get_by_id ()">gimp_channel_get_by_id</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GimpChannel.html" title="gimpchannel"><span class="returnvalue">GimpChannel</span></a> *
</td>
<td class="function_name">
<a class="link" href="GimpChannel.html#gimp-channel-new" title="gimp_channel_new ()">gimp_channel_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GimpChannel.html" title="gimpchannel"><span class="returnvalue">GimpChannel</span></a> *
</td>
<td class="function_name">
<a class="link" href="GimpChannel.html#gimp-channel-new-from-component" title="gimp_channel_new_from_component ()">gimp_channel_new_from_component</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GimpChannel.html" title="gimpchannel"><span class="returnvalue">GimpChannel</span></a> *
</td>
<td class="function_name">
<a class="link" href="GimpChannel.html#gimp-channel-copy" title="gimp_channel_copy ()">gimp_channel_copy</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="GimpChannel.html#gimp-channel-get-show-masked" title="gimp_channel_get_show_masked ()">gimp_channel_get_show_masked</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="GimpChannel.html#gimp-channel-set-show-masked" title="gimp_channel_set_show_masked ()">gimp_channel_set_show_masked</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gdouble</span>
</td>
<td class="function_name">
<a class="link" href="GimpChannel.html#gimp-channel-get-opacity" title="gimp_channel_get_opacity ()">gimp_channel_get_opacity</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="GimpChannel.html#gimp-channel-set-opacity" title="gimp_channel_set_opacity ()">gimp_channel_set_opacity</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="GimpChannel.html#gimp-channel-get-color" title="gimp_channel_get_color ()">gimp_channel_get_color</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="GimpChannel.html#gimp-channel-set-color" title="gimp_channel_set_color ()">gimp_channel_set_color</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="GimpChannel.html#gimp-channel-combine-masks" title="gimp_channel_combine_masks ()">gimp_channel_combine_masks</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GimpChannel.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    GObject
    <span class="lineart">╰──</span> <a class="link" href="GimpItem.html" title="gimpitem">GimpItem</a>
        <span class="lineart">╰──</span> <a class="link" href="GimpDrawable.html" title="gimpdrawable">GimpDrawable</a>
            <span class="lineart">╰──</span> GimpChannel
                <span class="lineart">├──</span> <a class="link" href="GimpLayerMask.html" title="GimpLayerMask">GimpLayerMask</a>
                <span class="lineart">╰──</span> <a class="link" href="GimpSelection.html" title="gimpselection">GimpSelection</a>
</pre>
</div>
<div class="refsect1">
<a name="GimpChannel.description"></a><h2>Description</h2>
<p>Functions for manipulating channels.</p>
</div>
<div class="refsect1">
<a name="GimpChannel.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gimp-channel-get-by-id"></a><h3>gimp_channel_get_by_id ()</h3>
<pre class="programlisting"><a class="link" href="GimpChannel.html" title="gimpchannel"><span class="returnvalue">GimpChannel</span></a> *
gimp_channel_get_by_id (<em class="parameter"><code><span class="type">gint32</span> channel_id</code></em>);</pre>
<p>Returns a <a class="link" href="GimpChannel.html" title="gimpchannel"><span class="type">GimpChannel</span></a> representing <em class="parameter"><code>channel_id</code></em>
. This function
calls <a class="link" href="GimpItem.html#gimp-item-get-by-id" title="gimp_item_get_by_id ()"><code class="function">gimp_item_get_by_id()</code></a> and returns the item if it is channel
or <code class="literal">NULL</code> otherwise.</p>
<div class="refsect3">
<a name="gimp-channel-get-by-id.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>channel_id</p></td>
<td class="parameter_description"><p>The channel id.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-channel-get-by-id.returns"></a><h4>Returns</h4>
<p>a <a class="link" href="GimpChannel.html" title="gimpchannel"><span class="type">GimpChannel</span></a> for <em class="parameter"><code>channel_id</code></em>
or <code class="literal">NULL</code> if <em class="parameter"><code>channel_id</code></em>
does not represent a valid
channel. The object belongs to libgimp and you must not
modify or unref it. </p>
<p><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>][<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-0.html#api-index-3.0">3.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gimp-channel-new"></a><h3>gimp_channel_new ()</h3>
<pre class="programlisting"><a class="link" href="GimpChannel.html" title="gimpchannel"><span class="returnvalue">GimpChannel</span></a> *
gimp_channel_new (<em class="parameter"><code><a class="link" href="GimpImage.html" title="gimpimage"><span class="type">GimpImage</span></a> *image</code></em>,
                  <em class="parameter"><code>const <span class="type">gchar</span> *name</code></em>,
                  <em class="parameter"><code><span class="type">guint</span> width</code></em>,
                  <em class="parameter"><code><span class="type">guint</span> height</code></em>,
                  <em class="parameter"><code><span class="type">gdouble</span> opacity</code></em>,
                  <em class="parameter"><code>const <a href="../html/libgimpcolor3-GimpRGB.html#GimpRGB"><span class="type">GimpRGB</span></a> *color</code></em>);</pre>
<p>Create a new channel.</p>
<p>This procedure creates a new channel with the specified width and
height. Name, opacity, and color are also supplied parameters. The
new channel still needs to be added to the image, as this is not
automatic. Add the new channel with the <a class="link" href="GimpImage.html#gimp-image-insert-channel" title="gimp_image_insert_channel ()"><code class="function">gimp_image_insert_channel()</code></a>
command. Other attributes such as channel show masked, should be
set with explicit procedure calls. The channel's contents are
undefined initially.</p>
<div class="refsect3">
<a name="gimp-channel-new.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>image</p></td>
<td class="parameter_description"><p>The image to which to add the channel.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>The channel name.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>width</p></td>
<td class="parameter_description"><p>The channel width.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>height</p></td>
<td class="parameter_description"><p>The channel height.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>opacity</p></td>
<td class="parameter_description"><p>The channel opacity.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>color</p></td>
<td class="parameter_description"><p>The channel compositing color.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-channel-new.returns"></a><h4>Returns</h4>
<p>The newly created channel.
The object belongs to libgimp and you should not free it. </p>
<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-channel-new-from-component"></a><h3>gimp_channel_new_from_component ()</h3>
<pre class="programlisting"><a class="link" href="GimpChannel.html" title="gimpchannel"><span class="returnvalue">GimpChannel</span></a> *
gimp_channel_new_from_component (<em class="parameter"><code><a class="link" href="GimpImage.html" title="gimpimage"><span class="type">GimpImage</span></a> *image</code></em>,
                                 <em class="parameter"><code><a href="../html/libgimpbase3-gimpbaseenums.html#GimpChannelType"><span class="type">GimpChannelType</span></a> component</code></em>,
                                 <em class="parameter"><code>const <span class="type">gchar</span> *name</code></em>);</pre>
<p>Create a new channel from a color component</p>
<p>This procedure creates a new channel from a color component.
The new channel still needs to be added to the image, as this is not
automatic. Add the new channel with <a class="link" href="GimpImage.html#gimp-image-insert-channel" title="gimp_image_insert_channel ()"><code class="function">gimp_image_insert_channel()</code></a>.
Other attributes, such as channel visibility, should be set with
explicit procedure calls.</p>
<div class="refsect3">
<a name="gimp-channel-new-from-component.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>image</p></td>
<td class="parameter_description"><p>The image to which to add the channel.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>component</p></td>
<td class="parameter_description"><p>The image component.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>The channel name.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-channel-new-from-component.returns"></a><h4>Returns</h4>
<p>The newly created channel. </p>
<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gimp-channel-copy"></a><h3>gimp_channel_copy ()</h3>
<pre class="programlisting"><a class="link" href="GimpChannel.html" title="gimpchannel"><span class="returnvalue">GimpChannel</span></a> *
gimp_channel_copy (<em class="parameter"><code><a class="link" href="GimpChannel.html" title="gimpchannel"><span class="type">GimpChannel</span></a> *channel</code></em>);</pre>
<p>Copy a channel.</p>
<p>This procedure copies the specified channel and returns the copy.
The new channel still needs to be added to the image, as this is not
automatic. Add the new channel with <a class="link" href="GimpImage.html#gimp-image-insert-channel" title="gimp_image_insert_channel ()"><code class="function">gimp_image_insert_channel()</code></a>.</p>
<div class="refsect3">
<a name="gimp-channel-copy.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>channel</p></td>
<td class="parameter_description"><p>The channel to copy.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-channel-copy.returns"></a><h4>Returns</h4>
<p>The newly copied channel. </p>
<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-channel-get-show-masked"></a><h3>gimp_channel_get_show_masked ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
gimp_channel_get_show_masked (<em class="parameter"><code><a class="link" href="GimpChannel.html" title="gimpchannel"><span class="type">GimpChannel</span></a> *channel</code></em>);</pre>
<p>Get the composite method of the specified channel.</p>
<p>This procedure returns the specified channel's composite method. If
it is TRUE, then the channel is composited with the image so that
masked regions are shown. Otherwise, selected regions are shown.</p>
<div class="refsect3">
<a name="gimp-channel-get-show-masked.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>channel</p></td>
<td class="parameter_description"><p>The channel.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-channel-get-show-masked.returns"></a><h4>Returns</h4>
<p> The channel composite method.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-channel-set-show-masked"></a><h3>gimp_channel_set_show_masked ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
gimp_channel_set_show_masked (<em class="parameter"><code><a class="link" href="GimpChannel.html" title="gimpchannel"><span class="type">GimpChannel</span></a> *channel</code></em>,
                              <em class="parameter"><code><span class="type">gboolean</span> show_masked</code></em>);</pre>
<p>Set the composite method of the specified channel.</p>
<p>This procedure sets the specified channel's composite method. If it
is TRUE, then the channel is composited with the image so that
masked regions are shown. Otherwise, selected regions are shown.</p>
<div class="refsect3">
<a name="gimp-channel-set-show-masked.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>channel</p></td>
<td class="parameter_description"><p>The channel.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>show_masked</p></td>
<td class="parameter_description"><p>The new channel composite method.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-channel-set-show-masked.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-channel-get-opacity"></a><h3>gimp_channel_get_opacity ()</h3>
<pre class="programlisting"><span class="returnvalue">gdouble</span>
gimp_channel_get_opacity (<em class="parameter"><code><a class="link" href="GimpChannel.html" title="gimpchannel"><span class="type">GimpChannel</span></a> *channel</code></em>);</pre>
<p>Get the opacity of the specified channel.</p>
<p>This procedure returns the specified channel's opacity.</p>
<div class="refsect3">
<a name="gimp-channel-get-opacity.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>channel</p></td>
<td class="parameter_description"><p>The channel.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-channel-get-opacity.returns"></a><h4>Returns</h4>
<p> The channel opacity.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-channel-set-opacity"></a><h3>gimp_channel_set_opacity ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
gimp_channel_set_opacity (<em class="parameter"><code><a class="link" href="GimpChannel.html" title="gimpchannel"><span class="type">GimpChannel</span></a> *channel</code></em>,
                          <em class="parameter"><code><span class="type">gdouble</span> opacity</code></em>);</pre>
<p>Set the opacity of the specified channel.</p>
<p>This procedure sets the specified channel's opacity.</p>
<div class="refsect3">
<a name="gimp-channel-set-opacity.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>channel</p></td>
<td class="parameter_description"><p>The channel.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>opacity</p></td>
<td class="parameter_description"><p>The new channel opacity.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-channel-set-opacity.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-channel-get-color"></a><h3>gimp_channel_get_color ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
gimp_channel_get_color (<em class="parameter"><code><a class="link" href="GimpChannel.html" title="gimpchannel"><span class="type">GimpChannel</span></a> *channel</code></em>,
                        <em class="parameter"><code><a href="../html/libgimpcolor3-GimpRGB.html#GimpRGB"><span class="type">GimpRGB</span></a> *color</code></em>);</pre>
<p>Get the compositing color of the specified channel.</p>
<p>This procedure returns the specified channel's compositing color.</p>
<div class="refsect3">
<a name="gimp-channel-get-color.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>channel</p></td>
<td class="parameter_description"><p>The channel.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>color</p></td>
<td class="parameter_description"><p>The channel compositing color. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Out parameter, where caller must allocate storage."><span class="acronym">out caller-allocates</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-channel-get-color.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-channel-set-color"></a><h3>gimp_channel_set_color ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
gimp_channel_set_color (<em class="parameter"><code><a class="link" href="GimpChannel.html" title="gimpchannel"><span class="type">GimpChannel</span></a> *channel</code></em>,
                        <em class="parameter"><code>const <a href="../html/libgimpcolor3-GimpRGB.html#GimpRGB"><span class="type">GimpRGB</span></a> *color</code></em>);</pre>
<p>Set the compositing color of the specified channel.</p>
<p>This procedure sets the specified channel's compositing color.</p>
<div class="refsect3">
<a name="gimp-channel-set-color.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>channel</p></td>
<td class="parameter_description"><p>The channel.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>color</p></td>
<td class="parameter_description"><p>The new channel compositing color.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-channel-set-color.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-channel-combine-masks"></a><h3>gimp_channel_combine_masks ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
gimp_channel_combine_masks (<em class="parameter"><code><a class="link" href="GimpChannel.html" title="gimpchannel"><span class="type">GimpChannel</span></a> *channel1</code></em>,
                            <em class="parameter"><code><a class="link" href="GimpChannel.html" title="gimpchannel"><span class="type">GimpChannel</span></a> *channel2</code></em>,
                            <em class="parameter"><code><a href="../html/libgimpbase3-gimpbaseenums.html#GimpChannelOps"><span class="type">GimpChannelOps</span></a> operation</code></em>,
                            <em class="parameter"><code><span class="type">gint</span> offx</code></em>,
                            <em class="parameter"><code><span class="type">gint</span> offy</code></em>);</pre>
<p>Combine two channel masks.</p>
<p>This procedure combines two channel masks. The result is stored in
the first channel.</p>
<div class="refsect3">
<a name="gimp-channel-combine-masks.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>channel1</p></td>
<td class="parameter_description"><p>The channel1.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>channel2</p></td>
<td class="parameter_description"><p>The channel2.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>operation</p></td>
<td class="parameter_description"><p>The selection operation.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>offx</p></td>
<td class="parameter_description"><p>x offset between upper left corner of channels: (second - first).</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>offy</p></td>
<td class="parameter_description"><p>y offset between upper left corner of channels: (second - first).</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-channel-combine-masks.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
</div>
</div>
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